457. Non-prejudicial disclosures.

457.     Non-prejudicial disclosures.

The disclosure of matter constituting an invention1 is to be disregarded in the case of a patent or an application for a patent if occurring later than six months immediately preceding the date of filing2 the application for the patent and:


    (1)     the disclosure was due to, or made in consequence of, the matter having been obtained unlawfully or in breach of confidence by any person:


      (a)     from the inventor or from any other person to whom the matter was made available in confidence by the inventor or who obtained it from the inventor